factorise 125 x cube 1 y cube
Answers
Answered by
31
125 x^3 - y^3
=( 5 x )^3 - ( y )^3
use identity :
a^3 - b^3 = ( a - b ) (a^2 + ab + b^2 )
=( 5 x - y ) { (5 x )^2 + ( 5x ) ( y ) + ( y )^2 }
=( 5 x - y ) ( 25 x^2 + 5 x y + y^2 )
_______________________________
|| Hope Helps ||
_______________________________
=( 5 x )^3 - ( y )^3
use identity :
a^3 - b^3 = ( a - b ) (a^2 + ab + b^2 )
=( 5 x - y ) { (5 x )^2 + ( 5x ) ( y ) + ( y )^2 }
=( 5 x - y ) ( 25 x^2 + 5 x y + y^2 )
_______________________________
|| Hope Helps ||
_______________________________
Answered by
2
Answer:
☝️☝️☝️this answer is perfectly correct
Similar questions